| Introduction | Historical Background | Chronology | Geography | Biography | Technology | Ownership and Financing | General Bibliography |
| Northwestern States | Minnesota |
Minnesota became a state in 1858.
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| Note: The second column in the chronological table above shows the order in which systems were built in the state. Where no number is shown, a company was formed but no evidence has been found that the system was constructed. | |||||||||||||||||||||||||||||
© 2015 Morris A. Pierce